Every severe weather report published for Effingham County, Illinois, newest first.
The National Weather Service has extended the Heat Advisory for portions of south central and southwest Illinois and southeast Missouri until 7 PM CDT today, September 9.
The National Weather Service has issued a flood watch for parts of Illinois and Missouri, in effect from Thursday, September 3, 2026, through late Monday night.
The National Weather Service warns that heat-related illnesses increase significantly during the ongoing extreme heat and high humidity.
The National Weather Service has issued a Heat Advisory for parts of Illinois and Missouri, including Greene, Macoupin, and Montgomery counties in Illinois, with heat index values up to 105 expected.